.logo {
  height: 32px;
  margin: 16px;
  background: rgba(255, 255, 255, 0.3);
}
.ant-layout-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.ant-layout-header button {
  margin-right: 20px;
}
.ant-layout-header .header-span {
  margin-left: 20px;
  padding-right: 20px;
}
.site-layout .site-layout-background {
  background: #fff;
}
